<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOC TYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>错误！！！</title>
</head>
<body>
    <h1>发生错误！</h1>
    <p>用户名或密码无效。</p>
    <a href="login.jsp">两秒后返回登录界面</a>
    <% response.setHeader("refresh","2;URL=login.jsp"); %>
</body>
</html>